Simple Java Regular Expression Parser and Recognizer
This applet lets you enter a simple regular expression and tells you if strings match that regular expression.
Currently, the regular expression language supports
and repeat zero or more times (a*).
'?' matches any symbol.
'^' is the NULL symbol.
Parenthesis are recommended.
Spaces are treated like symbols.
Source code is provided.
Sample regular expressions:
- (This is a test)+(This is not a test)